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Select vehicle to confirm fitment

Suspension Strut – Rear

PART#: 503-343
ACDelco
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1993BuickRivieraLuxury3.8V6GASRear
1993CadillacEldoradoSport4.6V8GASRear
1993CadillacEldoradoTouring4.6V8GASRear
1993CadillacEldoradoBase4.9V8GASRear
1993CadillacSevilleSTS4.6V8GASRearNon adjustable; SSS Speed Sensitive Suspension or CCR Computer Command Ride
1993CadillacSevilleBase4.9V8GASRearNon adjustable; SSS Speed Sensitive Suspension or CCR Computer Command Ride
1992BuickRivieraLuxury3.8V6GASRear
1992CadillacEldoradoBase4.9V8GASRear
1992CadillacEldoradoTouring4.9V8GASRear
1992CadillacSevilleSTS4.9V8GASRearNon adjustable; SSS Speed Sensitive Suspension or CCR Computer Command Ride
1992CadillacSevilleBase4.9V8GASRearNon adjustable; SSS Speed Sensitive Suspension or CCR Computer Command Ride
1992OldsmobileToronadoBase3.8V6GASRear
1992OldsmobileToronadoTrofeo3.8V6GASRear
1991BuickRivieraLuxury3.8V6GASRear
1991CadillacEldoradoBiarritz4.9V8GASRear
1991CadillacEldoradoBase4.9V8GASRear
1991CadillacEldoradoSpring Edition4.9V8GASRear
1991CadillacEldoradoTouring4.9V8GASRear
1991CadillacSevilleSTS4.9V8GASRearNon adjustable; SSS Speed Sensitive Suspension or CCR Computer Command Ride
1991CadillacSevilleBase4.9V8GASRearNon adjustable; SSS Speed Sensitive Suspension or CCR Computer Command Ride
1991OldsmobileToronadoTrofeo3.8V6GASRear
1991OldsmobileToronadoBase3.8V6GASRear
1990BuickRivieraLuxury3.8V6GASRear
1990CadillacEldoradoBase4.5V8GASRear
1990CadillacEldoradoBiarritz4.5V8GASRear
1990CadillacEldoradoTouring4.5V8GASRear
1990CadillacSevilleBase4.5V8GASRearNon adjustable; SSS Speed Sensitive Suspension or CCR Computer Command Ride
1990CadillacSevilleSTS4.5V8GASRearNon adjustable; SSS Speed Sensitive Suspension or CCR Computer Command Ride
1990OldsmobileToronadoBase3.8V6GASRear
1990OldsmobileToronadoTrofeo3.8V6GASRear
1989BuickRivieraLuxury3.8V6GASRear
1989BuickRivieraT-Type3.8V6GASRear
1989CadillacEldoradoBiarritz4.5V8GASRear
1989CadillacEldoradoBase4.5V8GASRear
1989CadillacSevilleBase4.5V8GASRear
1989CadillacSevilleSTS4.5V8GASRear
1989OldsmobileToronadoTrofeo3.8V6GASRear
1989OldsmobileToronadoBase3.8V6GASRear
1988BuickRivieraLuxury3.8V6GASRear
1988BuickRivieraT-Type3.8V6GASRear
1988CadillacEldoradoBiarritz4.5V8GASRear
1988CadillacEldoradoBase4.5V8GASRear
1988CadillacSevilleBase4.5V8GASRear
1988CadillacSevilleSTS4.5V8GASRear
1988OldsmobileToronadoBase3.8V6GASRear
1988OldsmobileToronadoTrofeo3.8V6GASRear
1987BuickRivieraLuxury3.8V6GASRear
1987BuickRivieraT-Type3.8V6GASRear
1987CadillacEldoradoBiarritz4.1V8GASRear
1987CadillacEldoradoBase4.1V8GASRear
1987CadillacSevilleBase4.1V8GASRear
1987OldsmobileToronadoTrofeo3.8V6GASRear
1987OldsmobileToronadoBrougham3.8V6GASRear
1986BuickRivieraT-Type3.8V6GASRear
1986BuickRivieraLuxury3.8V6GASRear
1986CadillacEldoradoBase4.1V8GASRear
1986CadillacEldoradoBiarritz4.1V8GASRear
1986CadillacSevilleBase4.1V8GASRear
1986CadillacSevilleElegante4.1V8GASRear
1986OldsmobileToronadoBrougham3.8V6GASRear
Product info

The ACDelco Suspension Strut part number 503-343 is a top-of-the-line replacement strut designed for Buick, Cadillac, and Oldsmobile vehicles. This high-quality strut is engineered to provide optimal performance and stability, ensuring a smooth and comfortable driving experience.

One of the key benefits of the ACDelco Suspension Strut is its superior durability. Constructed with high-quality materials, this strut is designed to withstand the wear and tear of daily driving, providing long-lasting performance and reliability.

In addition to its durability, the ACDelco Suspension Strut also features advanced technology that helps to improve vehicle handling and stability. This includes a precision-engineered piston and valve setup, which helps to dampen vibrations and ensure a smooth ride even on rough road surfaces.

Whether you’re replacing a worn out strut or upgrading your vehicle’s suspension system, the ACDelco Suspension Strut part number 503-343 is the perfect choice. So why wait? Order now and experience the benefits of ACDelco’s top-quality suspension products for yourself.

About ACDelco

When it comes to top-notch auto parts, one brand that stands tall is ACDelco. Popular for its commitment to quality and innovation, ACDelco has been a trusted name in the automotive industry. At Newparts.com, we're proud to offer a wide selection of ACDelco auto parts, including ACDelco spark plugs, ACDelco alternators, and ACDelco air filters, and other ACDelco parts, all at discounted prices.

ACDelco spark plugs are engineered to deliver exceptional performance and reliability, ensuring optimal engine operation and fuel efficiency. Whether you're cruising down the highway or navigating city streets, you can trust ACDelco spark plugs to keep your engine firing on all cylinders.

When it comes to power generation, ACDelco alternators are second to none. Designed to withstand the challenges of daily driving, ACDelco alternators deliver consistent power output to keep your vehicle's electrical systems running smoothly. With ACDelco alternators from Newparts.com, you can count on reliable performance mile after mile.

In addition to spark plugs and alternators, we also offer a range of ACDelco air filters to help keep your engine breathing clean, fresh air. ACDelco air filters are designed to trap dirt, dust, and other contaminants, preventing them from entering your engine and causing damage. With a high-quality ACDelco air filter from Newparts.com, you can enjoy improved engine performance and extended engine life.

At Newparts.com, we understand that getting the right parts quickly is essential. That's why we offer fast shipping on all ACDelco auto parts, so you can get back on the road with confidence. Plus, with our discounted prices, you can save big on the parts you need to keep your vehicle running smoothly. In case you want to purchase parts by phone, feel free to call us at 855-505-2886 and our customer service team will help you out. 

Whether you're in need of spark plugs, alternators, air filters, or any other ACDelco auto parts, Newparts.com has you covered. Shop our selection today and experience the quality and reliability of ACDelco for yourself.

Specifications
AdjustableNo
Adjustable DampingNo
Adjustable ReboundNo
Body TypeStandard
Coil Spring IncludedNO
Grade TypePerformance
Housing MaterialSteel
Mounting Hardware IncludedYes
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

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